Home / 129,350.92-193,625.38-70,039.48

Finding the Fourth Proportional to 129,350.92, 193,625.38 and 70,039.48

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Solution

The fourth proportional to 129,350.92, 193,625.38 and 70,039.48 is: 104,842.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,350.92 : 193,625.38 = 70,039.48 : x
  2. Step 2: Convert to fraction form
    129,350.92/193,625.38 = 70,039.48/x
  3. Step 3: Cross multiply
    129,350.92x = 193,625.38 × 70,039.48
  4. Step 4: Simplify right side
    129,350.92x = 13,561,420,930.00
  5. Step 5: Solve for x
    x = 13,561,420,930.00/129,350.92
  6. Step 6: Final answer
    x = 104,842.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.